CN201066894Y - A high-performance multimedia DVD hard disk player - Google Patents
A high-performance multimedia DVD hard disk player Download PDFInfo
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- CN201066894Y CN201066894Y CNU2007200689217U CN200720068921U CN201066894Y CN 201066894 Y CN201066894 Y CN 201066894Y CN U2007200689217 U CNU2007200689217 U CN U2007200689217U CN 200720068921 U CN200720068921 U CN 200720068921U CN 201066894 Y CN201066894 Y CN 201066894Y
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Abstract
A high-performance multimedia DVD hard disk playing and taping device comprises a CPU/decoding and video processor, a video filtering amplification circuit, an audio filtering amplification circuit, a USB2.0 controller circuit, a CPLD bus control module circuit, a digital compression coding module circuit, a television receiving conversion circuit, an external video interface circuit, an audio selection switch circuit and an IDE hardware HDD control circuit (16). The utility model banishes the defects of the traditional tape recording and optical disk recording, provides the high-performance multimedia DVD hard disk playing and taping device and is a DVD product which integrates strong functions of hard disk recording (PVR) and DVD playing. The utility model is provided with a hard disk with super-large capacity of 40G, a decoder inside and functions of intelligent reservation recording and audio-visual fast copying. Both television programs and excellent DVD can be recorded in the DVD hard disk video recorder by users willfully.
Description
[technical field]
The utility model relates to DVD and broadcasts the record machine, particularly a kind of high-performance multimedia DVD hard disk playing and recording device.
[background technology]
The 80s and 90s in 20th century boffo video tape recorder, though how long have more than is needed built-in magnetic head is very accurate,, the dirt of magnetic head will being made dirty of the magnetic of tape, light netrual colour then, heavy then image completely without, unpleasant is endlessly.Because of its employed video recording has easy wearing and tearing, retrieves defectives such as program is too slow, playback editor inconvenience, and be eliminated gradually, the substitute is optical disk recorder.
Because what optical disk recorder adopted is the digital recording system, thereby it can provide easy retrieval and random access capabilities, this be video tape recorder can't accomplish.Optical disk recorder has characteristics such as registration accuracy height, program search is convenient, picture is clear.Compare with video tape, CD has the registration accuracy height, the holding time is long, in light weight, volume is little, cheap, be not subject to series of advantages such as surrounding environment influence, but in use people find that again optical disk recorder has many intrinsic deficiencies, and for example percent reduction can not guarantee 100%, do not have default recording function, the video recording parameter can't be adjusted, failure free time less than 1000 hours, the capacity of can recording is little and CD can't realize that the limit sees Bian Lu etc.
The Full Name in English of DVD is Digital Video Disk, i.e. digital video disk or digital shadow dish, and it utilizes the compress technique of MPEG2 to store image.Also the someone claims that DVD is DigitalVersatile Disk, is the CD of digital multi-purpose, and its collection computer technology, optical record technology and television technology etc. is an one, its objective is and satisfies the demand of people to large storage capacity, high performance medium.
Compare with hard-disc storage, the DVD optical storage has cost advantage more, because its driver and medium (CD) are separated, the cost of medium can be controlled very lowly, and the flexibility that has content access and share.But present DVD imprinting technology is having difficulties aspect the directly imprinting in real time of digital video, so have to by means of " terminal " of hard disk as temporary engraving data, because hard disk has high speed transmission data, random-access characteristic.Therefore, seeking DVD and hard disk becomes more satisfactory storage combination, is the inexorable trend of this technical development at present.
[summary of the invention]
Technical problem to be solved in the utility model is to overcome existing defective in the above-mentioned prior art, provide a kind of can with the digital hard disk playing and recording camera of the common DVD that uses of television set, it can comprise watches TV programme and DVD playing back, CD, VCD, MP3, and can be with TV programme, external video input program, this machine DVD, MP3 and the typing of JPG file in this machine CD and copying in the hard disk, the definition of the file of recording can reach the identical effect of DVD.
The technical solution of the utility model is as follows:
A kind of high-performance multimedia DVD hard disk playing and recording device comprises:
The CPU/ that is used to finish system's control and look Audio Processing decodes and video processor;
Be used to finish the video filtering amplifying circuit that vision signal output filtering is amplified;
Be used to finish the audio frequency filter amplification circuit that audio signal output filtering is amplified;
Be used to finish the USB2.0 controller circuitry of high speed USB data transmission;
Be used to finish the CPLD bus control module circuit of data/control bus conversion and encryption;
Be used to finish the digital compression coding module circuit of digital audio/video coding;
The television reception change-over circuit that is used for the vision signal high frequency conversion;
Being used to finish video source selects and the pretreated external video interface circuit of vision signal;
Being used to finish audio signal source selects and pretreated audio selected switch circuit;
Be used to finish the IDE hard disk HDD control circuit of the access scheduling of hard disc information.
The deficiency of the utility model abandoning tradition video tape recording(VTR) and video disk recording provides a kind of high-performance high-performance multimedia DVD hard disk playing and recording device, is that powerful hard disc recording of a collection (PVR) and DVD playing function are the DVD product of one.The vast capacity hard disk that has 40G, built-in decoder, functions such as intelligent subscription and video recording and audio-visual quick copy.No matter be TV programme or excellent DVD, the user can indiscriminately ad. as one wishes be embodied in this DVD DVR.
The utility model adopts MPEG-II digital audio-video compress technique standard and the short wavelength laser technology of ISO, variable bit rate coding (VBR) record live image and sound accompaniment.With big capacity hard disk as storage medium, adopt MPEG-II real time codec technology, audio-video signal from TV, video disc player, video camera, video tape recorder etc. is carried out time shift video recording, regularly video recording, video recording in real time, channel selection video recording etc., can carry out the intellectuality arrangement, preserve and replace recorded program.The DVD playing function is backward compatible broadcast VCD, CD Super Video CD, MP3, CD-R/RW.
Concrete advantage of the present utility model and technique effect are as follows:
The unit multipotency: audio-visual broadcast (compatible DVD/VCD/SVCD/MP3/CD/CD-RW/DVD-RW/DVD+RW) numeral is made video recording, and goes into wherein to the greatest extent.
Independently make video recording: built-in tuner, support more than 100 programme channel, independently to make video recording fully, the quality of making video recording reaches the effect of DVD.
Regularly video recording: support single, every day, totally 9 regularly video recordings weekly satisfy multiple needs, perfect pre-recording.
Program duplicates: comprise that the DVD/VCD/S-VCD/CDDA/MP3/JPEG programme content directly duplicates and preserve MP3, the JPEG monofile duplicates and preserves.
Time-shifting: recording playback is carried out simultaneously, the assurance time, keeps excellence here.
Simple operation, operating function shows the indication of VFD fluorescence on the computer screen.
Three kinds of quality modes of making video recording can make (HQ, SP, LP).
Special play-back is put for three grades soon, and speed change is put slowly, play frame by frame.
4 kinds of different input modes are optional: antenna AV1, AV2 (CVBS) are provided composite video, and S-VIDEO records nearly all TV programme and other player signals, is connected with other audio-visual equipment easily.
The AV output of three kinds of different modes: comprise the CVBS composite video, S-VIDEO, YUV color difference components
The optional USB function that is built-in with directly can be connected with computer
Built-in AC-3 decoder, the output of 5.1 passages is supported.
Auto upgrading: function is guaranteed, and innovation is had no limits.
[description of drawings]
Accompanying drawing is the utility model hardware block diagram.
Each sequence number is expressed as respectively among the figure:
10 SDRAM memory circuitries, 11 USB2.0 controller circuitrys
12 SDRAM memory circuitries, 13 YUV/RGB/CVBS video output interfaces
14 video filtering amplifying circuits, 15 CPU/ decoding and video processor
16 IDE hard disk HDD control circuits, 17 digital compression coding module circuit
18 television reception change-over circuits, 19 television antenna interface circuits
20 2ch/5.1ch audio output interfaces, 21 audio frequency filter amplification circuit
22 CPLD bus control module circuit, 23 video decode circuit
24 external video interface circuits, 25 DVD/VCD/ monitoring camera interface circuits
26 remote control circuits, 27 keyboard circuits
28 audio frequency analog-digital converter circuits, 29 audio selected switch circuit
30 audio input interfaces, 31 DVD drive circuits
32 EPROM memory circuits
[embodiment]
The utility model will be further described below in conjunction with embodiment and accompanying drawing.
With reference to accompanying drawing, the utility model comprises: the CPU/ that is used to finish system's control and look Audio Processing decodes and video processor 15; Be used to finish the video filtering amplifying circuit 14 that vision signal output filtering is amplified; Be used to finish the audio frequency filter amplification circuit 21 that audio signal output filtering is amplified; Be used to finish the USB2.0 controller circuitry 11 of high speed USB data transmission; Be used to finish the CPLD bus control module circuit 22 of data/control bus conversion and encryption; Be used to finish the digital compression coding module circuit 17 of digital audio/video coding; The television reception change-over circuit 18 that is used for the vision signal high frequency conversion; Being used to finish video source selects and the pretreated external video interface circuit 24 of vision signal; Being used to finish audio signal source selects and pretreated audio selected switch circuit 29; Be used to finish the IDE hard disk HDD control circuit 16 of the access scheduling of hard disc information.
Described CPU/ decodes and the control signal separately of video processor 15 is imported with data-signal/and go out to hold the control signal and the data-signal that are connected SDRAM memory circuitry 10, CPLD bus control module circuit 22, EPROM memory circuit 32 respectively to export/go into end; The control signal separately of CPU/ decoding and video processor 15 and data-signal output are connected the control signal and the data-signal input of video filtering amplifying circuit 14, audio frequency filter amplification circuit 21 respectively; The control signal separately of CPU/ decoding and video processor 15 and data-signal input are connected the control signal and the data-signal output of remote control circuit 26, keyboard circuit 27 respectively.
The control signal of described video filtering amplifying circuit 14 is connected the control signal and the data-signal input of YUV/RGB/CVBS video output interface 13 with the data-signal output.
Described audio frequency filter amplification circuit 21 control signals are connected the control signal and the data-signal input of 2ch/5.1ch audio output interface 20 with the data-signal output.
The control signal separately and the data-signal of described CPLD bus control module circuit 22 import/go out to hold that end is exported/gone into to the control signal and the data-signal of connection ID E hard disk HDD control circuit 16, digital compression coding module circuit 17, DVD drive circuit 31, EPROM memory circuit 32 respectively.
The utility model also comprises: be used to finish the USB2.0 controller circuitry 11 of high speed USB data transmission, and the control signal and the data-signal of this USB2.0 controller circuitry 11 import/go out to hold the control signal and the data-signal of connection ID E hard disk HDD control circuit 16 to export/go into end.
The control signal separately of described digital compression coding module circuit 17 imports with data-signal/goes out the control signal that end is connected SDRAM memory circuitry 12, CPLD bus control module circuit 22 respectively to export/go into end with data-signal: and control signal and data-signal input are connected the control signal and the data-signal output of television reception change-over circuit 18, video decode circuit 23, audio frequency analog-digital converter circuit 28 respectively separately for they.
The control signal of described television reception change-over circuit 18 is connected the control signal and the data-signal output of television antenna interface (cable TV and satellite receive) circuit 19 with the data-signal input.
The control signal of described external video interface circuit 24 is connected the control signal and the data-signal input of video decode circuit 23 with the data-signal output; Its control signal is connected the control signal and the data-signal output of DVD/VCD/ monitoring camera interface circuit 25 with the data-signal input.
The control signal of described audio selected switch circuit 29 is connected the control signal and the data-signal input of audio frequency analog-digital converter circuit 28 with the data-signal output; Its control signal is connected the control signal and the data-signal output of audio input interface 30 with the data-signal input.
In specific embodiment, the utility model is a core CPU with 32 integrated embedded microprocessors of the high-speed super large of a special use, and this built-in chip type has a cover mpeg decoder and a programmable vision processor.Use a coding chip in addition, realize the encoding compression of MPEG2.Distribute control with a FPGA management common bus, a large amount of basic functions of system and personalized function are all realized by independently developed software, so system hardware is short and sweet.The hardware of the utility model system is integrated to be optimized very much, and the chip module definite functions is reliable, has given full play to the advantageous feature of all kinds of integrated circuit (IC) chip.As public, multi-frequency output be provided and improve load capacity etc. with programmable clock with the FPGA management bus.
The utility model also adopts own ease of Use system, and the program journey is succinct reliably, functional module is called flexibly, for the high-speed cruising of systems soft ware is given security
Claims (10)
1. high-performance multimedia DVD hard disk playing and recording device is characterized in that it comprises:
The CPU/ that is used to finish system's control and look Audio Processing decodes and video processor (15), and it connects SDRAM memory circuitry (10), CPLD bus control module circuit (22), EPROM memory circuit (32), video filtering amplifying circuit (14), audio frequency filter amplification circuit (21), remote control circuit (26) and keyboard circuit (27) respectively;
Be used to finish the video filtering amplifying circuit (14) that vision signal output filtering is amplified, it connects CPU/ decoding and video processor (15) and YUV/RGB/CVBS video output interface (13) respectively;
Be used to finish the audio frequency filter amplification circuit (21) that audio signal output filtering is amplified, it connects CPU/ decoding and video processor (15) and 2ch/5.1ch audio output interface (20) respectively;
Be used to finish the USB2.0 controller circuitry (11) of high speed USB data transmission, its connection ID E hard disk HDD control circuit (16);
Be used to finish the CPLD bus control module circuit (22) of data/control bus conversion and encryption, it connects CPU/ decoding and video processor (15), IDE hard disk HDD control circuit (16), digital compression coding module circuit (17), DVD drive circuit (31) and EPROM memory circuit (32) respectively;
Be used to finish the digital compression coding module circuit (17) of digital audio/video coding, it connects SDRAM memory circuitry (12), CPLD bus control module circuit (22), television reception change-over circuit (18), video decode circuit (23) and audio frequency analog-digital converter circuit (28) respectively;
The television reception change-over circuit (18) that is used for the vision signal high frequency conversion, it connects digital compressed encoding modular circuit (17) and television antenna interface circuit (19) respectively;
Be used to finish video source and select and the pretreated external video interface circuit of vision signal (24), it connects video decode circuit (23) and DVD/VCD/ monitoring camera interface circuit (25) respectively;
Be used to finish audio signal source and select and pretreated audio selected switch circuit (29), it connects audio frequency analog-digital converter circuit (28) and audio input interface (30) respectively;
Be used to finish the IDE hard disk HDD control circuit (16) of the access scheduling of hard disc information, it connects CPLD bus control module circuit (22) and USB2.0 controller circuitry (11) respectively.
2. high-performance multimedia DVD hard disk playing and recording device according to claim 1 is characterized in that: described CPU/ decodes and the control signal separately of video processor (15) is imported with data-signal/and go out to hold the control signal and the data-signal that are connected SDRAM memory circuitry (10), CPLD bus control module circuit (22), EPROM memory circuit (32) respectively to export/go into end; The control signal separately of CPU/ decoding and video processor (15) and data-signal output are connected the control signal and the data-signal input of video filtering amplifying circuit (14), audio frequency filter amplification circuit (21) respectively; The control signal separately of CPU/ decoding and video processor (15) and data-signal input are connected the control signal and the data-signal output of remote control circuit (26), keyboard circuit (27) respectively.
3. high-performance multimedia DVD hard disk playing and recording device according to claim 1 and 2 is characterized in that: the control signal of described video filtering amplifying circuit (14) is connected the control signal and the data-signal input of YUV/RGB/CVBS video output interface (13) with the data-signal output.
4. high-performance multimedia DVD hard disk playing and recording device according to claim 1 and 2 is characterized in that: described audio frequency filter amplification circuit (21) control signal is connected the control signal and the data-signal input of 2ch/5.1ch audio output interface (20) with the data-signal output.
5. high-performance multimedia DVD hard disk playing and recording device according to claim 1 and 2 is characterized in that: end is imported/gone out to the control signal separately and the data-signal of described CPLD bus control module circuit (22), and end is exported/gone into to the control signal and the data-signal of connection ID E hard disk HDD control circuit (16), digital compression coding module circuit (17), DVD drive circuit (31), EPROM memory circuit (32) respectively.
6. high-performance multimedia DVD hard disk playing and recording device according to claim 5, also comprise: be used to finish the USB2.0 controller circuitry (11) of high speed USB data transmission, the control signal and the data-signal of this USB2.0 controller circuitry (11) import/go out to hold the control signal and the data-signal of connection ID E hard disk HDD control circuit (16) to export/go into end.
7. high-performance multimedia DVD hard disk playing and recording device according to claim 1 is characterized in that: the control signal separately of described digital compression coding module circuit (17) imports with data-signal/and goes out control signal and the data-signal that end is connected SDRAM memory circuitry (12), CPLD bus control module circuit (22) respectively to export/go into end; Control signal and data-signal input are connected the control signal and the data-signal output of television reception change-over circuit (18), video decode circuit (23), audio frequency analog-digital converter circuit (28) respectively separately for they.
8. according to claim 1 or 7 described high-performance multimedia DVD hard disk playing and recording devices, it is characterized in that: the control signal of described television reception change-over circuit (18) is connected the control signal and the data-signal output of television antenna interface circuit (19) with the data-signal input.
9. according to claim 1 or 7 described high-performance multimedia DVD hard disk playing and recording devices, it is characterized in that: the control signal of described external video interface circuit (24) is connected the control signal and the data-signal input of video decode circuit (23) with the data-signal output; Its control signal is connected the control signal and the data-signal output of DVD/VCD/ monitoring camera interface circuit (25) with the data-signal input.
10. according to claim 1 or 7 described high-performance multimedia DVD hard disk playing and recording devices, it is characterized in that: the control signal of described audio selected switch circuit (29) is connected the control signal and the data-signal input of audio frequency analog-digital converter circuit (28) with the data-signal output; Its control signal is connected the control signal and the data-signal output of audio input interface (30) with the data-signal input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200689217U CN201066894Y (en) | 2007-04-12 | 2007-04-12 | A high-performance multimedia DVD hard disk player |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200689217U CN201066894Y (en) | 2007-04-12 | 2007-04-12 | A high-performance multimedia DVD hard disk player |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201066894Y true CN201066894Y (en) | 2008-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200689217U Expired - Fee Related CN201066894Y (en) | 2007-04-12 | 2007-04-12 | A high-performance multimedia DVD hard disk player |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201066894Y (en) |
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2007
- 2007-04-12 CN CNU2007200689217U patent/CN201066894Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080528 |